memset.c 924 Bytes
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/* memset.c -- set an area of memory to a given value
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   Copyright (C) 1991, 2003, 2009-2016 Free Software Foundation, Inc.
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   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2, or (at your option)
   any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
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   along with this program; if not, see <http://www.gnu.org/licenses/>.  */
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#include <config.h>

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#include <stddef.h>

void *
memset (void *str, int c, size_t len)
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{
  register char *st = str;

  while (len-- > 0)
    *st++ = c;
  return str;
}